Ryazanov Aleksandr

From Samara, Russia

EMA: 15990057

Player page

Internal rating (RR)

Rating date May 24, 2026 (latest changes May 17, 2026).

168 place (253.00).

max_coefficients = (4.10 * 1 + 3.90 * 1 + 3.45 * 1 + 3.40 * 1) = 14.85

p1 = (569.62 * 3.65 * 0.29 + 719.10 * 3.75 * 0.43 + 23.81 * 2.60 * 0.71 + 314.29 * 3.50 * 0.86 + 0) / (3.65 * 0.29 + 3.75 * 0.43 + 2.60 * 0.71 + 3.50 * 0.86 + 1) = 321.70949273458535

p2 = (719.10 * 3.75 * 0.43 + 314.29 * 3.50 * 0.86 + 569.62 * 3.65 * 0.29 + 23.81 * 2.60 * 0.71) / max_coefficients = 184.2969696969697

score = 321.70949273458535 * 0.5 + 184.2969696969697 * 0.5 = 253.00323121577753

Rating changes

Show

all results
Date Place Points Reason
2026-05-17 166 -> 168 253.00
2026-05-12 174 -> 166 253.00
2026-05-03 165 -> 174 257.44 -> 253.00

Riichi over The Volga 2025: 100% -> 86%
2026-05-01 169 -> 165 257.44
2026-04-19 165 -> 169 257.44
2026-04-16 166 -> 165 257.44
2026-04-13 159 -> 166 281.48 -> 257.44

Moscow Riichi 2024: 57% -> 43%
2026-04-11 156 -> 159 281.48
2026-04-05 152 -> 156 281.48
2026-04-04 145 -> 152 297.27 -> 281.48

Riichi over Volga: 43% -> 29%

Tournaments

# Base rank Date Place Power Coefficient Rating Tournament City
1 314 2025-05-03 49/71 86% 3.50 RR Riichi over The Volga 2025 Samara
2 24 2025-01-26 42/43 71% 2.60 RR Riichi On Ice Samara
3 719 2024-10-13 26/90 43% 3.75 RR Moscow Riichi 2024 Moscow
4 570 2024-08-04 35/80 29% 3.65 RR Riichi over Volga Samara
5 486 2011-04-23 19/36 0% 0.90 EMA Moscow Riichi 2011 Moscow